JPS61199328A - 近接スイツチ - Google Patents

近接スイツチ

Info

Publication number
JPS61199328A
JPS61199328A JP60039784A JP3978485A JPS61199328A JP S61199328 A JPS61199328 A JP S61199328A JP 60039784 A JP60039784 A JP 60039784A JP 3978485 A JP3978485 A JP 3978485A JP S61199328 A JPS61199328 A JP S61199328A
Authority
JP
Japan
Prior art keywords
current
circuit
oscillation
transistor
collector
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP60039784A
Other languages
English (en)
Japanese (ja)
Inventor
Hisatoshi Nodera
野寺　久敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Omron Corp
Original Assignee
Omron Tateisi Electronics Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Omron Tateisi Electronics Co filed Critical Omron Tateisi Electronics Co
Priority to JP60039784A priority Critical patent/JPS61199328A/ja
Priority to US06/833,253 priority patent/US4761603A/en
Priority to DE19863606586 priority patent/DE3606586A1/de
Publication of JPS61199328A publication Critical patent/JPS61199328A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945—Proximity switches
    • H03K17/95—Proximity switches using a magnetic detector
    • H03K17/952—Proximity switches using a magnetic detector using inductive coils
    • H03K17/9537—Proximity switches using a magnetic detector using inductive coils in a resonant circuit
    • H03K17/9542—Proximity switches using a magnetic detector using inductive coils in a resonant circuit forming part of an oscillator
    • H03K17/9547—Proximity switches using a magnetic detector using inductive coils in a resonant circuit forming part of an oscillator with variable amplitude
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1203—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier being a single transistor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1231—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier comprising one or more bipolar transistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/16—Modifications for eliminating interference voltages or currents
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
    • H03B2200/003—Circuit elements of oscillators
    • H03B2200/0038—Circuit elements of oscillators including a current mirror

Landscapes

  • Electronic Switches (AREA)
JP60039784A 1985-02-28 1985-02-28 近接スイツチ Pending JPS61199328A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP60039784A JPS61199328A (ja) 1985-02-28 1985-02-28 近接スイツチ
US06/833,253 US4761603A (en) 1985-02-28 1986-02-27 High frequency oscillation proximity switch
DE19863606586 DE3606586A1 (de) 1985-02-28 1986-02-28 Annaeherungsschalter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60039784A JPS61199328A (ja) 1985-02-28 1985-02-28 近接スイツチ

Publications (1)

Publication Number Publication Date
JPS61199328A true JPS61199328A (ja) 1986-09-03

Family

ID=12562558

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60039784A Pending JPS61199328A (ja) 1985-02-28 1985-02-28 近接スイツチ

Country Status (3)

Country Link
US (1) US4761603A (enrdf_load_stackoverflow)
JP (1) JPS61199328A (enrdf_load_stackoverflow)
DE (1) DE3606586A1 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01120914A (ja) * 1987-11-05 1989-05-12 Fuji Electric Co Ltd 近接スイッチ回路
US5464658A (en) * 1992-11-30 1995-11-07 Alliedsignal Inc. System of electronic laminates with improved registration properties

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63174424A (ja) * 1987-01-14 1988-07-18 Fuji Electric Co Ltd 近接スイツチ
DE3704893A1 (de) * 1987-02-17 1988-08-25 Turck Werner Kg Anordnung fuer naeherungsschalter zum schutz gegen signalverfaelschung durch magnetische wechselfelder
DE3722336C1 (de) * 1987-07-07 1989-03-23 Ifm Electronic Gmbh Elektronisches,vorzugsweise beruehrungslos arbeitendes Schaltgeraet
DE3723008C1 (en) * 1987-07-11 1989-02-02 Ifm Electronic Gmbh Electronic switching device preferably operating contactlessly
JP2540923B2 (ja) * 1988-11-30 1996-10-09 オムロン株式会社 近接スイッチおよびその発振回路
EP0404065A1 (en) * 1989-06-21 1990-12-27 Omron Corporation Sensor having an oscillation circuit
DE59010177D1 (de) * 1990-06-19 1996-04-11 Siemens Ag Induktiver Annäherungsschalter mit geringer Temperaturabhängigkeit
JP2807323B2 (ja) * 1990-09-04 1998-10-08 株式会社東芝 光結合検出装置
DE4317359A1 (de) * 1993-05-25 1994-12-01 Balluff Gebhard Feinmech Sensor
JP2973942B2 (ja) * 1996-09-30 1999-11-08 日本電気株式会社 プログラマブル基準電圧回路
DE19650793C1 (de) * 1996-12-06 1998-04-16 Siemens Ag Elektronisches, berührungslos arbeitendes Schaltgerät
ATE466405T1 (de) * 1998-12-08 2010-05-15 Baumer Innotec Ag Verfahren und vorrichtung zur messung der dämpfung eines lc-schwingungskreises

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3883796A (en) * 1972-09-05 1975-05-13 Acme Cleveland Corp Proximity probe with output proportional to target distance
DE3016821C2 (de) * 1980-05-02 1982-08-12 Honeywell Gmbh, 6000 Frankfurt Elektronischer Näherungsschalter
US4543527A (en) * 1982-04-12 1985-09-24 Eaton Corporation Proximity switch exhibiting improved start-up characteristics
JPS6135620A (ja) * 1984-07-27 1986-02-20 Omron Tateisi Electronics Co 近接スイツチ
EP0169582B1 (en) * 1984-07-27 1991-05-29 Omron Tateisi Electronics Co. Proximity switch

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01120914A (ja) * 1987-11-05 1989-05-12 Fuji Electric Co Ltd 近接スイッチ回路
US5464658A (en) * 1992-11-30 1995-11-07 Alliedsignal Inc. System of electronic laminates with improved registration properties

Also Published As

Publication number Publication date
DE3606586C2 (enrdf_load_stackoverflow) 1989-03-16
US4761603A (en) 1988-08-02
DE3606586A1 (de) 1986-09-04

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